A new combined soft switching technique and a novel topology of aeronautical static inverter with high frequency pulse dc link are proposed in this paper, namely an electrical isolated converter can realize soft swi...A new combined soft switching technique and a novel topology of aeronautical static inverter with high frequency pulse dc link are proposed in this paper, namely an electrical isolated converter can realize soft switching of two stage cascade converters. It lays technical foundation for high power density, high efficiency and low cost aeronautical static inverter. The operation and design approach of this topology are carefully analyzed and studied. The validity of this topology is verified by simulation and test.展开更多
高频链矩阵式逆变器(High Frequency Link Matrix Inverter,简称HFLMI)是一类可实现直流侧与交流侧电气隔离的高功率密度变换器,针对矩阵式逆变器的双向开关特征,运用解结耦分析思想,研究了一种新的适用于三相HFLMI的解结耦正弦脉宽调制...高频链矩阵式逆变器(High Frequency Link Matrix Inverter,简称HFLMI)是一类可实现直流侧与交流侧电气隔离的高功率密度变换器,针对矩阵式逆变器的双向开关特征,运用解结耦分析思想,研究了一种新的适用于三相HFLMI的解结耦正弦脉宽调制(SPWM)策略。阐述了所提方案的基本控制思路,详细分析了在前级逆变器高频开关工作周期内高频链逆变电路的工作模态,给出实验结果。相关工作验证了解结耦SPWM的可行性与有效性。展开更多
文摘A new combined soft switching technique and a novel topology of aeronautical static inverter with high frequency pulse dc link are proposed in this paper, namely an electrical isolated converter can realize soft switching of two stage cascade converters. It lays technical foundation for high power density, high efficiency and low cost aeronautical static inverter. The operation and design approach of this topology are carefully analyzed and studied. The validity of this topology is verified by simulation and test.
文摘高频链矩阵式逆变器(High Frequency Link Matrix Inverter,简称HFLMI)是一类可实现直流侧与交流侧电气隔离的高功率密度变换器,针对矩阵式逆变器的双向开关特征,运用解结耦分析思想,研究了一种新的适用于三相HFLMI的解结耦正弦脉宽调制(SPWM)策略。阐述了所提方案的基本控制思路,详细分析了在前级逆变器高频开关工作周期内高频链逆变电路的工作模态,给出实验结果。相关工作验证了解结耦SPWM的可行性与有效性。